@-moz-keyframes hehe {
  30% {
    background: #c00;
  }
  50% {
    background: orange;
  }
  100% {
    background: yellowgreen;
    width: 200px;
    height: 200px;
  }
}
@-webkit-keyframes hehe {
  30% {
    background: #c00;
  }
  50% {
    background: orange;
  }
  100% {
    background: yellowgreen;
    width: 200px;
    height: 200px;
  }
}
@keyframes hehe {
  30% {
    background: #c00;
  }
  50% {
    background: orange;
  }
  100% {
    background: yellowgreen;
    width: 200px;
    height: 200px;
  }
}
